2 years ago

A light bulb consumes 1440 watt-hours per day. How long does it take to consume 7560 watt-hours?

Mathematics

1 answer:

docker41 [41]2 years ago

8 0

5.25 days, since you would divide 7,560 watt hours by 1,440 and get 5.25

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What single percentage change is equivalent to a 11% increase followed by a 15% increase?

AlekseyPX

Answer:

It's a total increase by 27,65%

Step-by-step explanation:

1,11 × 1,15 = 1,2765

1,2765 = +27,65%

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2 years ago

Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following

vivado [14]

Answer: (-0.4, 6.8)

The graph is attached

Step-by-step explanation:

We can find the axis of symmetry using the formula x = -b/2a

x = - -4/2(-5)

x = 4/-10

x = 0.04

Substitute for x and calculate y

y = $\left(0.4^{2}\right)\left(-5\right)-4\left(-0.4\right)\ +6$

y = 6.8

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2 years ago

Find area of the square with side length 9m

sertanlavr [38]

This is the correct one

4 0

3 years ago

Read 2 more answers

Helppp I will give brainiest. I will have three more questions after.

lys-0071 [83]

Answer:

The answer is 71.4

Step-by-step explanation:

357 / 5 = 71.4

4 0

2 years ago

A bookshop sets the marked price of the book 25% higher than its cost, and then sold it at 10% discount

mestny [16]

Answer:

$405 - Can u plz give me the brainliest answer if possible? Plz!!!!!!!!!!!!!!

Step-by-step explanation:

360 x 0.25 = 90

360 + 90 = 450

450 x 0.1 = 45

450 - 45 = 405

Have a nice day!!!!!! :-)

7 0

2 years ago